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Holley Water Neck - Swivel 45 Degree Angle - Black

Fits 2003-Up Mopar Gen III Hemi Engines - 45 Degree

PART# 97-343

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These water necks fit Mopar Gen III Hemi engines, and are ideal for use in engine swaps since the swivel allows adjustment to accommodate custom radiator hoses. The billet aluminum with black anodized finish looks great and prevents corrosion. Choose from outlets with a 45 degree or 90 degree angle (both swivel 360 degrees before bolts are tightened up).


  • Aluminum Swivel Water Necks for Gen III Hemi Engines
  • Fits All 2003 & Up 5.7L, 2005-2010 6.1L & 2011-up 6.4L Gen III Hemi Engines
  • Black Anodized Finish – For Corrosion Protection & Great Looks
  • Choose from 90 Degree or 45 Degree Water Necks
  • Fits 1-3/4” Hose
  • Includes (2) M8 x 1.25mm x 30mm Long Bolts
  • Ideal for Engine Swaps & Allows Swivel Adjustment w/ Custom Radiator Hoses


Angle45 Degree
Bolt Spacing3.307"
Emission Code5
FinishAnodized Black
Material6061 Aluminum
Product TypeWater Outlets
Part Number97-343



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Fits 5.7L, 6.1L, and 6.4L Gen III Hemi Engines.


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